I have a 7500 and I am happy to say the unit is flawless. I am planning to add a 7075 to this for surround backs. I prefer the look of the 7075 to the 2200. Although my pre/pro is an Onkyo AVR presently operating the surround backs, I will be switching to the 978 thus the need for another amp.
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"There is one who comes after me who's sandals I am unworthy to unloose." John the Baptist